My new computer has ______ the old one．
A．twice as much memory as B．as twice much memory as
C．twice memory as much as D as much twice memory as
.
The man founded a charity(慈善事业)_____________ his late wife.
| A．in memory of | B．to remember | C．for the memory of | D．to the memory of |
.
I was really anxious about you. You ______home without a word.
| A．mustn’t leave | B．shouldn’t have left | C．couldn’t have left | D．needn’t leave |
.
She ________the film. She knows nothing about it.
| A．can’t see | B．can’t have seen | C．must see | D．mustn’t have seen |
.
If you _______wait a moment, I’ll go and find our manager.
| A．have to | B．should | C．will | D．must |
.
---Could I use your telephone?
--- Yes, of course you ________.
| A．could | B．will | C．can | D．might |